Linear operators belonging to operator ideals (nuclear, \(p\)-summing, in the Schatten-von Neumann classes, etc.), Ruelle's zeta function, meromorphic extension, 58F20, Low-dimensional dynamical systems, Ergodic theory, Measure-preserving transformations, generalized transfer operator, Metric theory of continued fractions, 58F19, 47B10, 47A35, continued fraction map, Banach spaces of continuous, differentiable or analytic functions, Gauss map, Fredholm determinant, Classical equilibrium statistical mechanics (general), Meromorphic functions of one complex variable (general theory), 47B38